I. pronoun see: who Date: before 12th century which one of the two, whichever one of the two, II. conjunction Date: before 12th century — used as a function word usually with correlative or or with or ~ to indicate (1) until the early 19th century a direct question involving alternatives; (2) an indirect question involving stated or implied alternatives ; (3) alternative conditions or possibilities
WHETHER
Meaning of WHETHER in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012